Verilink HDM 2180 (880-503048-001) Product Manual - Manual (Page 36)

Standalone HDM 2180 Management
3-12 Verilink HDM 2180 User Manual
Table 3-7 Port Loopback Diagnostics Menu Commands
Transmitting
Diagnostics
Alarms
To verify that the far end (FE) can “see” alarms transmitted from
the near end, select T from the Port Diagnostics Menu to display
the Transmit Alarms Diagnostics Menu. This menu provides
options for transmitting various types of alarms to the far end to
verify proper functioning.
Command Description
D DS3 Port Loopback—Select 0 to deactivate an existing loopback. Select 1 for a user payload
loopback, which will cause the Net LED to turn amber. Select 2 for a user local loopback,
which will cause the Data LED to turn amber. All data coming into/out of the port marked
with the * is dropped. Note: All loopbacks will interrupt user data transmision.
HDM > d
DS3 Loopback: No Loopback
Perform LoopBack (Y/N)? y
Enter Loopback (0 for No Loopback or 1 for User Payload loopback or 2 for
User Local Loopback) >
User Payload Loopback
User Local Loopback
H HSSI Port Loopback—Select 0 to deactivate an existing loopback. Select 1 to start a user
equipment loopback. When activated, the Data LED will turn amber. All data coming
into/out of the port marked with the * is dropped. Note: All loopbacks will interrupt user
data transmission.
HDM > h
HSSI Port LoopBack: No Loopback
Perform Loopback (Y/N)? y
Enter LoopBack (0 for No Loopback or 1 for User Equipment Loopback) >
HSSI Port Loopback (User Equipment Loopback)
X exit menu—Returns you to the Diagnostics Menu , Figure 3-6 .
DS3
Framer
HSSI DTE DS3
*
DS3
Framer
HSSI DTE DS3
*
DS3
Framer
HSSI DTE DS3
*